package com.i_art_engineer.meigong.widget;

import android.content.Context;
import android.util.AttributeSet;
import android.view.View;
import android.widget.LinearLayout;

/**
 * Simple view to fill space in grid view.
 */
public class FillerView extends LinearLayout {

    private View mMeasureTarget;

    public FillerView(Context context) {
        super(context);
    }

    public void setMeasureTarget(View lastViewSeen) {
        mMeasureTarget = lastViewSeen;
    }

    public FillerView(Context context, AttributeSet attrs) {
        super(context, attrs);
    }

    public FillerView(Context context, AttributeSet attrs, int defStyle) {
        super(context, attrs, defStyle);
    }

    @Override
    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
        if (null != mMeasureTarget)
            heightMeasureSpec = MeasureSpec.makeMeasureSpec(
                    mMeasureTarget.getMeasuredHeight(),
                    MeasureSpec.EXACTLY
            );
        super.onMeasure(widthMeasureSpec, heightMeasureSpec);
    }

}